How to unlock the SAP system to perform correction(s) during an upgrade

  1. To unlock the SAP system, enter the following commands (here or DEFAULT.TPP is the transport profile of the transport domain to which the system is connected): The system may be either the original SAP system or the shadow system, depending on which one the error occurred.
  • Original SAP system
  • cd \\abap\exe

Maximum number of permitted terminal connections reached ( 200)

Maximum number of permitted terminal connections reached ( 200)

we may face problem that database is not updating with the records 

How to upgrade SAP Host Agent From the ExtractedSAPHOSTAGENT Archive

upgrade  SAP Host Agent From the Extracted SAPHOSTAGENT Archive in Windows,Linux,IBM i

Procedure
  1. Log on as a user with the required authorization:
    WindowsAs a member of the local Administrators group
    UNIXAs a user with root authorization
    IBM iAs a user profile with special authorities *SECADM and *ALLOBJ, for example as user profile QSECOFR.
  2. IBM i only: Enter the command CALL PGM(QP2TERM) to start a PASE interactive terminal